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PATH: usr / local / jetapps / var / lib / aws / lib / python2.7 / site-packages / s3transfer

# Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
from botocore.compat import six

from s3transfer.compat import accepts_kwargs
from s3transfer.exceptions import InvalidSubscriberMethodError

class BaseSubscriber(object):
    """The base subscriber class

It is recommended that all subscriber implementations subclass and then
    override the subscription methods (i.e. on_{subsribe_type}() methods).
    """
    VALID_SUBSCRIBER_TYPES = [
        'queued',
        'progress',
        'done'
    ]

def __new__(cls, *args, **kwargs):
        cls._validate_subscriber_methods()
        return super(BaseSubscriber, cls).__new__(cls)

@classmethod
    def _validate_subscriber_methods(cls):
        for subscriber_type in cls.VALID_SUBSCRIBER_TYPES:
            subscriber_method = getattr(cls, 'on_' + subscriber_type)
            if not six.callable(subscriber_method):
                raise InvalidSubscriberMethodError(
                    'Subscriber method %s must be callable.' %
                    subscriber_method)

if not accepts_kwargs(subscriber_method):
                raise InvalidSubscriberMethodError(
                    'Subscriber method %s must accept keyword '
                    'arguments (**kwargs)' % subscriber_method)

def on_queued(self, future, **kwargs):
        """Callback to be invoked when transfer request gets queued

This callback can be useful for:

* Keeping track of how many transfers have been requested
            * Providing the expected transfer size through
              future.meta.provide_transfer_size() so a HeadObject would not
              need to be made for copies and downloads.

:type future: s3transfer.futures.TransferFuture
        :param future: The TransferFuture representing the requested transfer.
        """
        pass

def on_progress(self, future, bytes_transferred, **kwargs):
        """Callback to be invoked when progress is made on transfer

This callback can be useful for:

* Recording and displaying progress

:type future: s3transfer.futures.TransferFuture
        :param future: The TransferFuture representing the requested transfer.

:type bytes_transferred: int
        :param bytes_transferred: The number of bytes transferred for that
            invocation of the callback. Note that a negative amount can be
            provided, which usually indicates that an in-progress request
            needed to be retried and thus progress was rewound.
        """
        pass

def on_done(self, future, **kwargs):
        """Callback to be invoked once a transfer is done

This callback can be useful for:

* Recording and displaying whether the transfer succeeded or
              failed using future.result()
            * Running some task after the transfer completed like changing
              the last modified time of a downloaded file.

:type future: s3transfer.futures.TransferFuture
        :param future: The TransferFuture representing the requested transfer.
        """
        pass

[-] futures.py [edit]
[-] processpool.pyc [edit]
[-] utils.pyc [edit]
[-] futures.pyc [edit]
[-] exceptions.py [edit]
[+] ..
[-] manager.pyc [edit]
[-] download.py [edit]
[-] delete.pyc [edit]
[-] download.pyc [edit]
[-] subscribers.py [edit]
[-] exceptions.pyc [edit]
[-] __init__.pyc [edit]
[-] delete.py [edit]
[-] upload.py [edit]
[-] constants.py [edit]
[-] utils.py [edit]
[-] copies.py [edit]
[-] tasks.pyc [edit]
[-] bandwidth.py [edit]
[-] compat.pyc [edit]
[-] tasks.py [edit]
[-] compat.py [edit]
[-] processpool.py [edit]
[-] manager.py [edit]
[-] __init__.py [edit]
[-] subscribers.pyc [edit]
[-] constants.pyc [edit]
[-] upload.pyc [edit]
[-] bandwidth.pyc [edit]
[-] copies.pyc [edit]